By Harmeet Kaur, CNN (CNN) — In some corners of society, there appears to be a shift in the way people talk about kids. Every so often, a provocative social media post sets off predictably polarizing discourse about the presence of children in daily life. There was the woman who snarkily suggested that toddlers should be leashed. There was the guy who proudly posed outside of an establishment that declared itself “dog friendly” and “child free,”…